2 cards
Product Set
Apps people keep: a heart-rate app that explains itself and an offline map for cold hands.

03 · The idea behind the set
2 cards
What’s in the set
Two product engagements, both measured by whether people still used the app a month later.
How I work on products
Research in week one, a clickable prototype in week three, and a weekly release rhythm with the engineering team after that.
04 · Cards in this set
Open any card for the full case.
05 · Other sets
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